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hisi_sas: fix error codes in hisi_sas_task_prep()

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There were a couple cases where the error codes weren't set and also I
changed the success return to "return 0;" which is the same as
"return rc;" but more explicit.

Fixes: 42e7a69368 ('hisi_sas: Add ssp command functio')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Tested-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Dan Carpenter 2015-12-09 13:48:36 +03:00 committed by Martin K. Petersen
parent 9a2fcad8dc
commit 9c9d18e7a6
1 changed files with 7 additions and 3 deletions
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10
drivers/scsi/hisi_sas/hisi_sas_main.c
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@ -208,15 +208,19 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_hba *hisi_hba,
slot->status_buffer = dma_pool_alloc(hisi_hba->status_buffer_pool,
GFP_ATOMIC,
&slot->status_buffer_dma);
if (!slot->status_buffer)
if (!slot->status_buffer) {
rc = -ENOMEM;
goto err_out_slot_buf;
}
memset(slot->status_buffer, 0, HISI_SAS_STATUS_BUF_SZ);
slot->command_table = dma_pool_alloc(hisi_hba->command_table_pool,
GFP_ATOMIC,
&slot->command_table_dma);
if (!slot->command_table)
if (!slot->command_table) {
rc = -ENOMEM;
goto err_out_status_buf;
}
memset(slot->command_table, 0, HISI_SAS_COMMAND_TABLE_SZ);
memset(slot->cmd_hdr, 0, sizeof(struct hisi_sas_cmd_hdr));
@ -254,7 +258,7 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_hba *hisi_hba,
sas_dev->running_req++;
++(*pass);
return rc;
return 0;
err_out_sge:
dma_pool_free(hisi_hba->sge_page_pool, slot->sge_page,